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Carl Sagan - First Sceptic, Then Astronomer

http://users.tpg.com.au/users/tps-seti/sagan.html

Tribute written by Horst Sommer. Discusses Sagan's achievements, and his role as a "speaker for Earth".

Submitted in section: Astronomy: History: People: Sagan, Carl: Carl Sagan - First Sceptic, Then Astronomer

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